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Last year Luis invested x dollars for one year, half at 8 percent simple annual interest and the other half at 12 percent simple annual interest. Now he wants to reinvest the x dollars for one year in the same two types of investments, but the lower rate has decreased. If the higher rate is unchanged , what fraction of the x dollars must be reinvested at the 12 percent rate so that the total interest earned from the x dollars will be the same for both years?

1) the lower rate is now 6%2) the total amount of interest earned from the two investments last eyar was $3000

Last year Luis invested x dollars for one year, half at 8 percent simple annual interest and the other half at 12 percent simple annual interest. Now he wants to reinvest the x dollars for one year in the same two types of investments, but the lower rate has decreased. If the higher rate is unchanged , what fraction of the x dollars must be reinvested at the 12 percent rate so that the total interest earned from the x dollars will be the same for both years?

1) the lower rate is now 6%2) the total amount of interest earned from the two investments last eyar was $3000

Last year Luis invested x dollars for one year, half at 8 percent simple annual interest and the other half at 12 percent simple annual interest. Now he wants to reinvest the x dollars for one year in the same two types of investments, but the lower rate has decreased. If the higher rate is unchanged , what fraction of the x dollars must be reinvested at the 12 percent rate so that the total interest earned from the x dollars will be the same for both years?

1) the lower rate is now 6%2) the total amount of interest earned from the two investments last eyar was $3000